/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/EvolutionResimCache.h
Returns all constraints that are still valid (resim can invalidate constraints by either deleting particles, moving particles, etc...)
const [TArray](API\Runtime\Core\Containers\TArray)< [FPBDCollisionConstraint](API\Runtime\Chaos\Chaos\Collision\FPBDCollisionConstraint) > & GetAndSanitizeConstraints()